U.S. Nuclear Regulatory Commission Operations Center Event Reports For 08/26/96 - 08/27/96 ** EVENT NUMBERS ** 30923 30924 30925 30926 30927 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30923 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: ARKANSAS NUCLEAR REGION: 4 |NOTIFICATION DATE: 08/26/96 | |UNIT: [1] [ ] [ ] STATE: AR |NOTIFICATION TIME: 00:05 [ET]| |RX TYPE: [1] B&W-L-LP,[2] CE |EVENT DATE: 08/25/96 | +------------------------------------------------+EVENT TIME: 21:13[CDT]| |NRC NOTIFIED BY: VANBUSKIRK |LAST UPDATE DATE: 08/26/96 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GARY SANBORN RDO | |AARC 50.72(b)(1)(v) OTHER ASMT/COMM INOP | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE DISCOVERED THAT THE UNIT 1 CONTROL ROOM SAFETY PARAMETER | | DISPLAY SYSTEM WAS INOPERABLE. | | | | THIS WAS DISCOVERED WHEN THEY DETERMINED THAT THEY COULD NOT CHANGE THE | | SCREEN DISPLAY FOR THE SPDS IN THE CONTROL ROOM. THIS CONDITION MADE THEIR | | ASSESSMENT CAPABILITY DEGRADED BUT NOT TOTALLY LOST BECAUSE THE SCREENS | | THAT WERE DISPLAYED WERE STILL UPDATING VALID PLANT PARAMETER DATA. THE | | SPDS DISPLAYS IN THE TSC, THE EOF AND THE UNIT 2 CONTROL ROOM WERE STILL | | TOTALLY FUNCTIONAL. THE OTHER PLANT COMPUTER, THE PLANT MONITORING SYSTEM, | | WAS ALSO NOT AFFECTED. THEY ARE STILL INVESTIGATING THE CAUSE. THE RI WAS | | INFORMED. | | | | ***UPDATE AT 01:40 @ 08/26 BY CLINKINGBEARD TO GOULD*** THE SPDS IN THE | | CONTROL ROOM HAS BEEN RESTORED AT 23:30 CT. THIS WAS ACCOMPLISHED BY | | DEFEATING THE TOUCH SCREEN CAPABILITY WHICH ENABLED THEM TO RESTORE THE | | KEYBOARD FUNCTION. THE RI WILL BE INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 30924 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: AMERSHAM |NOTIFICATION DATE: 08/26/96 | | CITY: PROSPECT REGION: 1 |NOTIFICATION TIME: 14:15 [ET]| | COUNTY: NEW HAVEN STATE: CT |EVENT DATE: 08/22/96 | |LICENSE#: AGREEMENT: N |EVENT TIME: 00:00[EDT]| | DOCKET: |LAST UPDATE DATE: 08/26/96 | | +-----------------------------+ | |PERSON ORGANIZATION| | |LAURIE PELUSO RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: RON LUCKSINGER | | |HQ OPS OFFICER: JOHN MacKINNON | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | MISSING ANTI-STATIC AIR GUN CONTAINING 10mCi of POLONIUM. | | | | TECHNICUT CO. LOCATED AT 32 GRAMMAR AVE., PROSPECT, CT., DISCOVERED ON | | 08/22/96 THAT AN ANTI-STATIC AIR GUN (SERIAL # 7547KA) CONTAINING 10mCi OF | | Po WAS MISSING. TECHNICUT LEASES THE ANTI-STATIC GUN FROM AMERSHAM ON A | | YEARLY BASIS. AMERSHAM LICENSE # FOR ANTI-STATIC AIR GUN IS 12-12836-01 | | (LICENSE WAS ISSUED BY THE STATE OF ILLINOIS). TECHNICUT NOTIFIED AMERSHAM | | ON 08/23/96 THAT THE ANTI-STATIC GUN WAS MISSING. AMERSHAM WILL SEND THEM | | ANOTHER ANTI-STATIC AIR GUN. THE AMERSHAM PRODUCT CODE FOR THE ANTI-STATIC | | AIR GUN IS PDV01313 AND THE MODEL NUMBER IS PDM1002H4. REGION 1 (FRANK | | COSTELLO) IS AWARE OF THIS EVENT. | | | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30925 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: VERMONT YANKEE REGION: 1 |NOTIFICATION DATE: 08/27/96 | |UNIT: [1] [ ] [ ] STATE: VT |NOTIFICATION TIME: 01:12 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 08/27/96 | +------------------------------------------------+EVENT TIME: 00:19[EDT]| |NRC NOTIFIED BY: BROOKS |LAST UPDATE DATE: 08/27/96 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: | | |ARPS 50.72(b)(2)(ii) RPS ACTUATION | | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 89 POWER OPERATION | 89 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT EXPERIENCED A HALF SCRAM ALONG WITH A GROUP 3 ISOLATION AND AUTO | | START OF THE STANDBY GAS TREATMENT SYSTEM. | | | | THE HALF SCRAM, GROUP 3 ISOLATION AND AUTO START OF BOTH STANDBY GAS | | TREATMENT TRAINS OCCURRED WHEN THE SUPPLY BREAKER FROM THE RPS BUS "A" TO | | THE RPS/PCIS FAILED. THE CAUSE OF THE BUS FAILURE IS UNKNOWN AND IS BEING | | INVESTIGATED. AT THIS TIME NONE OF THE ACTUATIONS HAVE BEEN RESET OR | | SECURED. THE RI AND THE STATE WILL BE INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30926 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SURRY REGION: 2 |NOTIFICATION DATE: 08/27/96 | |UNIT: [ ] [2] [ ] STATE: VA |NOTIFICATION TIME: 03:27 [ET]| |RX TYPE: [1] W-3-LP,[2] W-3-LP |EVENT DATE: 08/27/96 | +------------------------------------------------+EVENT TIME: 03:19[EDT]| |NRC NOTIFIED BY: ROSENBERGER |LAST UPDATE DATE: 08/27/96 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |BRUNO URYC RDO | |ASHU 50.72(b)(1)(i)(A) PLANT S/D REQD BY TS | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N Y 100 POWER OPERATION | 99 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT ENTERED A TS REQUIRED S/D CONDITION DUE TO ONE TRAIN OF THE | | CONSEQUENCE LIMITING SAFEGUARDS (CLS) SYSTEM BEING INOPERABLE. | | | | THIS CONDITION WAS DETERMINED DURING THE MONTHLY HI HI CLS SURVEILLANCE | | TEST IN ACCORDANCE WITH 2-PT-6.5, WHEN "A" TRAIN CHANNEL 2 DID NOT EXIT THE | | TEST PORTION OF THE CIRCUIT DUE TO FAILURE OF RELAY "3-CLS-2AMX". AN | | 8-HOUR CLOCK HAD BEEN IN EFFECT IN ACCORDANCE WITH TS 3.7-2 OPERATOR ACTION | | 14 SINCE INITIATION OF THIS TEST AT 20:38 ON 8/26/96. WHEN THE RELAY | | FAILURE WAS IDENTIFIED AT 21:10, THE 8-HOUR CLOCK WAS EXITED AND A 12-HOUR | | CLOCK TO REPAIR OR BE IN HOT SHUTDOWN WAS ENTERED, SINCE CHANNEL TESTING | | WAS NO LONGER IN EFFECT AND ONE OF TWO CLS CHANNELS WAS DECLARED | | INOPERABLE. A UNIT RAMP TO HOT S/D WAS INITIATED AT 03:19 DUE TO THIS | | CONDITION AND THE LICENSEE HAS 30 HOURS TO BE IN COLD S/D. TRAIN "B" IS | | STILL OPERABLE AND THEY ARE IN THE PROCESS OF REPLACING THE FAILED RELAY. | | THE RI WAS INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30927 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: ZION REGION: 3 |NOTIFICATION DATE: 08/27/96 | |UNIT: [1] [ ] [ ] STATE: IL |NOTIFICATION TIME: 03:35 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 08/27/96 | +------------------------------------------------+EVENT TIME: 01:40[CDT]| |NRC NOTIFIED BY: WENNERHOLM |LAST UPDATE DATE: 08/27/96 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN JACOBSON RDO | |ASHU 50.72(b)(1)(i)(A) PLANT S/D REQD BY TS | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT ENTERED A TS REQUIRED SHUTDOWN DUE TO THE RCS POWER OPERATED | | RELIEF VALVE BLOCK VALVE BEING DECLARED INOPERABLE. | | | | THE LICENSEE PLANS TO RAMP DOWN TO HOT S/D AND SUBSEQUENTLY COOL DOWN TO | | MODE 5 FOR REPAIR OF MOV-RC-8000B (RCS POWER OPERATED RELIEF VALVE BLOCK | | VALVE). THE ENGINEERING DEPARTMENT DETERMINED THAT, DUE TO POSSIBLE VALVE | | STEM IMBRITTLEMENT AFTER THE VALVE WAS ELECTRICALLY CLOSED AND TORQUED OUT | | (TRIPPING AT THERMAL OVERLOAD), COLD S/D WOULD BE REQUIRED TO MAKE REPAIRS. | | TS 3.3.1 IS APPLICABLE AND THE LICENSEE ENTERED THE 48-HOUR LCO BECAUSE | | THEY COULD NOT VERIFY VALVE POSITION. THEY HAVE 6-HOURS TO BE IN MODE 3 AND | | THE FOLLOWING 12-HOURS TO BE IN COLD S/D. THE RI WILL BE INFORMED. | +------------------------------------------------------------------------------+